because we are talking about efficiency and how we manage congestion and lower energy use. we are talking if the integration of data within the public sector, the private sector and the combination. we are talking about participation with the social media and the production of the solution. my sense, and again, david mentioned this, is united states isn't quite at the vanguard of this. when i think about congestion you brought up copenhagen with regards to many of the issues and i want to start with the ibm and cisco perspective of the world. where do you see progress with in the sectors and progress within the city's and where is the u.s.? >> the good news is there is tremendous progress across the country but it's relatively siloed so we can point to the smarter transportation and public safety and smarter health care and smarter grid and building energy management but that's not necessarily smarter city. this was alluded to a number of times this morning, it is really all about taking advantage of the fact that the city is a complex system of systems. so how do you to ge